X-10 Wall switches

[Birdsonly]

Why are my new X10 Wall Switch Modules turning on by them self ? I had 3 old ones in same place and when replaced with new one,  all 3 turn on by them self's at different times ??   WHY  You can E Mail me @ (Birdsonly@AOL.com  )   Thank You all   

[Puck]

Old units model?

New units model?

What are they controlling?

More info = more help.